HOW TO KNOW THE IMMATURE INSECTS 



Order PLECOPTERA 



Claassen, P. W. 1931. Plecoptera nymphs of America (North of Mexico). 



pp. 1-195. Thomas Say Foundation, Thomas, Springfield, 111. 

 Prison, T. H. 1929. Fall and winter stone-flies or Plecoptera of Illinois. 



Bull. 111. Nat. Hist. Surv. 18:345-409. 



1942. Studies of North American Plecoptera, with special reference 

 to the fauna of Illinois. Bull. 111. Nat. Hist. Surv. 22(2):235-355. 



Order EPHEMEROPTERA 



Morgan, Anna H. 1913. A contribution to the biology of Mayflies. 



Ann. Ent. Soc. Amer. 6:371-426. 

 Needham, J. G., J. R. Traver, and Yin-Chi Hsu. 1935. The biology of 



Mayflies, pp. xiv+759. Comstock Pub. Co., Ithaca, N. Y. 

 Smith, Osgood R. 1935. The eggs and egg-laying habits of North 



American Mayflies (With a key to the eggs of N. American May- 



fles). In Needham, J. G. et al. Ibid. pp. 67-89. 



Order ODONATA 



Howe, Jr. R. H. 1918. Pictorial key to Zygoptera nymphs. Psche 25:106- 



110. 



1922 and 1925. Pictorial key to Anisopteran nymphs. Psyche 29, 

 Supplement Oct.-Dec; 32, Supplement Dec. 

 Hayes, Wm. P. 1941. A bibliography of keys for the identification of 



immature insects. Pt. II. Odonata. Ent. News 52(3-4): 52-55, 66-69. 



93-98. 

 Kennedy, C. H. 1915. Notes on the life history and ecology of the 



dragonflies of Washington and Oregon. Proc. U. S. Nat. Mus. 49: 



259-345. 



1917. Notes on the life history and ecology of the dragonflies of 



Central California and Nevada. Proc. U. S. Nat. Mus. 52:483-635. 



Needham, J. G. 1903. The life histories of Odonata, suborder Zygoptera. 



In Aquatic insects of New York State, pt. 3 N. Y. St. Mus. 68(18): 



199-517. 

 Needham, J. G. and C. A. Hart. 1901. The dragonflies of Illinois with 



descriptions of the immature stages, pt. I. Petaluridae, Aeschnidae 



and Gomphidae. Bull. 111. St. Nat. Hist. Lab. 6(1): 1-94. 

 Needham, J. G. and E. Fisher. 1936. The nymphs of N. American libel- 



luline dragonflies. Trans. Amer. Ent. Soc. 62:107-116. 

 Wright, Mike and Alvah Peterson. 1944. A key to the genera of ani- 



sopterous dragonfly nymphs of the United States and Canada. 



Ohio Jour. Sci. 44(4):151.166. 



Order ORTHOPTERA 



Blatchley, W. S. 1920. Orthoptera of Northeastern America. 784 pp. 

 Nature Pub. Co., Indianapolis. 



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